V t͡s︡arstve smekalki
By: E. I. Ignatʹev ; Pod red. M. K. Potapova ; Tekstol. obrab. I͡U︡. V. Nesterenko.
Contributors: Potapov, M. K.; Nesterenko, I͡U︡riĭ Valentinovich.
Edition: 2-e izd.
Publisher: Nauka
Published: 1979
Place of publication: Moskva
Language: rus
Number of pages: 207
Subjects: Mathematical recreations.
Notes: Based on author's 1908 and 1911 eds.